:root {
  --bg: #fbfaf7;
  --fg: #1a1a17;
  --dim: #63635b;
  --faint: #8d8d84;
  --rule: #e3e2d9;
  --link: #145080;
  --accent-soft: #edf3f8;
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #141412;
    --fg: #ebeae4;
    --dim: #aaa99f;
    --faint: #85857b;
    --rule: #2f2f2a;
    --link: #9cc3ea;
    --accent-soft: #1a252e;
  }
}

*,
*::before,
*::after {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0 auto;
  padding: 5rem 1.5rem 3rem;
  max-width: 42rem;
  background: var(--bg);
  color: var(--fg);
  font-family: ui-sans-serif, system-ui, -apple-system, "Segoe UI", Roboto,
    Helvetica, Arial, sans-serif;
  font-size: 1.0625rem;
  line-height: 1.65;
  -webkit-text-size-adjust: 100%;
}

p {
  margin: 0 0 1rem;
}

a {
  color: var(--link);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

a:hover {
  text-decoration-thickness: 2px;
}

a:focus-visible {
  outline: 2px solid var(--link);
  outline-offset: 3px;
  border-radius: 2px;
}

.skip-link {
  position: absolute;
  top: 0.75rem;
  left: 0.75rem;
  z-index: 1;
  padding: 0.45rem 0.7rem;
  background: var(--fg);
  color: var(--bg);
  transform: translateY(-200%);
}

.skip-link:focus {
  transform: translateY(0);
}

header {
  margin-bottom: 3.5rem;
  padding-bottom: 2.25rem;
  border-bottom: 1px solid var(--rule);
}

h1 {
  margin: 0 0 0.55rem;
  font-size: clamp(2.4rem, 8vw, 3.25rem);
  font-weight: 650;
  letter-spacing: -0.042em;
  line-height: 1.02;
}

.sub {
  margin-bottom: 1.75rem;
  max-width: 36rem;
  font-size: 1.1rem;
  color: var(--dim);
}

.ask {
  margin-bottom: 1.15rem;
  max-width: 39rem;
}

.facts {
  display: grid;
  gap: 0.2rem;
  margin: 0 0 1.6rem;
  padding: 0;
  list-style: none;
  font-size: 0.9375rem;
  color: var(--dim);
}

.facts li {
  position: relative;
  padding-left: 1rem;
}

.facts li::before {
  content: "";
  position: absolute;
  top: 0.72em;
  left: 0;
  width: 0.3rem;
  height: 0.3rem;
  border-radius: 50%;
  background: var(--faint);
}

.links {
  display: flex;
  flex-wrap: wrap;
  gap: 0.4rem 1.75rem;
  margin: 0;
  font-size: 0.9375rem;
  font-weight: 600;
}

section {
  margin-bottom: 3.5rem;
}

section:last-of-type {
  margin-bottom: 3rem;
}

h2 {
  margin: 0 0 1.75rem;
  font-size: 0.6875rem;
  font-weight: 700;
  text-transform: uppercase;
  letter-spacing: 0.14em;
  color: var(--faint);
}

article + article {
  margin-top: 2.5rem;
}

h3 {
  margin: 0;
  font-size: 1.125rem;
  font-weight: 650;
  letter-spacing: -0.01em;
  line-height: 1.3;
}

.meta {
  margin: 0.25rem 0 0.8rem;
  font-size: 0.875rem;
  color: var(--dim);
}

.meta span {
  padding: 0 0.4rem;
  color: var(--faint);
}

article p:last-child {
  margin-bottom: 0;
}

.featured {
  padding: 1.35rem 1.5rem 1.45rem;
  border-left: 3px solid var(--link);
  background: var(--accent-soft);
}

.project-grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 1rem;
  margin: 1.25rem 0 0;
}

.project-grid div {
  min-width: 0;
}

.project-grid dt,
.grid dt {
  font-size: 0.8125rem;
  font-weight: 700;
  color: var(--dim);
}

.project-grid dd {
  margin: 0.15rem 0 0;
  font-size: 0.875rem;
  line-height: 1.45;
}

.grid {
  margin: 1.1rem 0 0;
}

.grid dd {
  margin: 0 0 1rem;
}

.grid dd:last-child {
  margin-bottom: 0;
}

@media (min-width: 36rem) {
  .grid {
    display: grid;
    grid-template-columns: 7.5rem 1fr;
    gap: 0.75rem 1.25rem;
  }

  .grid dt {
    padding-top: 0.16rem;
  }

  .grid dd {
    margin-bottom: 0;
  }
}

footer {
  padding-top: 1.75rem;
  border-top: 1px solid var(--rule);
  font-size: 0.9375rem;
  color: var(--dim);
}

footer p {
  margin: 0;
}

.not-found {
  min-height: 100vh;
  display: grid;
  align-content: center;
}

.not-found main {
  max-width: 30rem;
}

.not-found h1 {
  margin-bottom: 1rem;
}

@media (max-width: 40rem) {
  .project-grid {
    grid-template-columns: 1fr;
    gap: 0.7rem;
  }

  .project-grid div {
    display: grid;
    grid-template-columns: 6.5rem 1fr;
    gap: 0.75rem;
  }

  .project-grid dd {
    margin-top: 0;
  }
}

@media (max-width: 32rem) {
  body {
    padding: 3rem 1.25rem 2.5rem;
  }

  .sub {
    font-size: 1rem;
  }

  .featured {
    padding: 1.2rem 1.25rem 1.3rem;
  }
}

@media (prefers-reduced-motion: reduce) {
  html {
    scroll-behavior: auto;
  }
}